Terry Pheto, you've got serious competition! The 35-year-old bombshell actress was the spitting image of the young Winnie Madikizela-Mandela in June on the Johannesburg set of a miniseries about the life of Nelson Mandela. Madiba is due to air next year, with Pheto playing the part of the beautiful woman who stopped Mandela in his tracks at a Soweto bus stop all those years ago.Mandela is played by Laurence Fishburne.And Mama Winnie proved this week that at 80 she's still got it, sparking a frenzy on social media after showing off flawless, radiant skin at a party with family and friends in Cape Town.Radio personality Gareth Cliff said on Twitter: "I can't be the only one who thinks Winnie Mandela is the best looking 80-year-old in the world."Public relations expert Victor Dlamini said: "Suburban residents will be calling their doctors this morning [asking], 'What is Winnie Mandela taking?'"Others weren't as convinced, suggesting the former first lady's looks were due to cosmetic intervention.On Twitter, Antieklimaks said "Winnie Mandela definitely had some good plastic surgery," while @rinmor tweeted: "Botox and plastic surgery - simple."Guests at the birthday celebrations included Deputy President Cyril Ramaphosa and Cape Town mayor Patricia de Lille. Madikizela-Mandela turns 80 on September 26. Pheto is the seventh actress to portray Madikizela-Mandela on screen.• Naomie Harris appeared in Long Walk to Freedom (2013) opposite Idris Elba; • Jennifer Hudson took the role in Darrell Roodt's 2011 film, Winnie Mandela; • Sophie Okonedo played Winnie for the 2010 made-for-television movie Mrs Mandela; • Faith Ndukwana starred in Goodbye Bafana (2007), about Mandela's relationship with his prison guard; • Tina Lifford featured in the 1997 film Mandela & De Klerk; • Alfre Woodard was Winnie in Mandela (1987), alongside Danny Glover as Mandela and John Matshikiza as Walter Sisulu. ..